To evaluate the psychometric properties and performance of the 32‐item Thriving of Older People Assessment Scale (TOPAS) and to explore reduction into a short‐form.. To read the full article, log in using your NHS Athens details. To access full-text: click “Log in/Register” (top right hand side). Click ‘Institutional Login’ then select 'OpenAthens Federation', then ‘NHS England’. Enter your Athens details to view the article.